CS4953 datasheet(29/44 Pages) CIRRUS

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CS4952/53

DS223PP2

Control Register 0

Address

0x00

CONTROL_0

Read/Write

Default Value = 01h

Control Register 1

Address

0x01

CONTROL_1

Read/Write

Default Value = 04h

Bit Number

Bit Name

TV_FMT

MSTR

CCIR656

PROG

IN_MODE CBCR_UV

Default0

Bit

Mnemonic

Function

7:5

TV_FMT

selects the TV display format

000:

NTSC-M CCIR601 timing (default)

001:

NTSC-M RS170A timing

010:

PAL-B, D, G, H, I

011:

PAL-M

100:

PAL-N (Argentina)

101:

PAL-N (non Argentina)

110-111:

reserved

MSTR

1: Master Mode, 0: Slave Mode

CCIR656

video input is in CCIR656 format (0: off, 1: on)

PROG

Progressive scanning enable (enable with 1)

IN_MODE

Input select (0: solid background, 1: use V [7:0] data)

CBCR_UV

enable YCbCr to YUV conversion (1: enable, 0: disable)

Bit Number

76543210

Bit Name

CBLANK

Y_DELAY

C_BW

C_LPF_EN

FLD

PED

CBAR

CBCRSEL

Default

00000100

Bit

Mnemonic

Function

CBLANK

Composite Blank / HSYNC output select (1: CB, 0: HSYNC)

Y_DELAY

luma to chroma delay (0: no delay, 1: luma is delayed by one 13.5 MHz cycle)

C_BW

chroma lpf bandwidth (0: 650 KHz, 1: 1.3 MHz)

C_LPF_EN

chroma lpf on/off (0: off, 1: on)

FLD

Polarity of Field (0: odd field - 0, 1: odd field - 1)

PED

Pedestal offset (0: 0 IRE, 1: 7.5 IRE)

CBAR

internal color bar generator (0: off, 1: on)

CBCRSEL

CbCr select (0: chroma undelayed, 1: chroma delayed by one clock)

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